Country name 2010 2011 2012 2013 2014
Afghanistan 1 1 1 1 1
Albania 7 7 7 7 7
Algeria 5 5 5 5 5
American Samoa
Andorra
Angola 4 4 4 4 4
Antigua and Barbuda 4 4 4 4 4
Argentina 7 7 7 7 7
Armenia 5 5 5 5 5
Aruba
Australia 8 8 8 8 8
Austria 5 5 5 5 5
Azerbaijan 7 7 7 7 7
Bahamas, The 2 2 2 2 2
Bahrain 8 8 8 8 8
Bangladesh 6 6 6 6 6
Barbados 2 2 2 2
Belarus 5 7 7 7 7
Belgium 8 8 8 8 8
Belize 3 3 3 3 3
Benin 6 6 6 6 7
Bermuda
Bhutan 4 4 4 4 4
Bolivia 1 1 1 1 1
Bosnia and Herzegovina 3 3 3 3 3
Botswana 7 7 7 7 7
Brazil 5 5 5 5 5
Brunei Darussalam 4 4 4 4 4
Bulgaria 10 10 10 10 10
Burkina Faso 6 6 6 6 7
Burundi 4 8 8 8 8
Cabo Verde 1 1 1 1 1
Cambodia 5 5 5 5 5
Cameroon 6 6 6 6 7
Canada 8 8 8 8 8
Cayman Islands
Central African Republic 6 6 6 6 7
Chad 6 6 6 6 7
Chile 8 8 8 8 8
China 10 10 10 10 10
Colombia 9 9 9 9 9
Comoros 6 6 6 6 7
Congo, Dem. Rep. 3 3 3 6 7
Congo, Rep. 6 6 6 6 7
Costa Rica 2 2 2 2 2
Cote d'Ivoire 6 6 6 6 7
Croatia 3 3 3 3 3
Cuba
Curacao
Cyprus 4 8 8 8 8
Czech Republic 2 2 2 2 2
Denmark 7 7 7 7 7
Djibouti 4 4 4 4 4
Dominica 4 4 4 4 4
Dominican Republic 5 5 5 5 5
Ecuador 1 1 1 1 2
Egypt, Arab Rep. 5 5 5 5 8
El Salvador 3 3 3 3 3
Equatorial Guinea 6 6 6 6 7
Eritrea 4 4 4 4 4
Estonia 8 8 8 8 8
Ethiopia 3 3 3 3 3
Faeroe Islands
Fiji 2 2 2 2 2
Finland 6 6 6 6 6
France 9 9 9 9 9
French Polynesia
Gabon 6 6 6 6 7
Gambia, The 2 2 2 2 2
Georgia 8 9 9 9 9
Germany 5 5 5 5 5
Ghana 7 7 7 7 7
Greece 1 1 5 7 7
Greenland
Grenada 4 4 4 4 4
Guam
Guatemala 3 3 3 3 3
Guinea 6 6 6 6 7
Guinea-Bissau 6 6 6 6 7
Guyana 5 5 5 5 5
Haiti 2 2 2 2 2
Honduras 0 0 0 0 0
Hong Kong SAR, China 9 9 9 9 10
Hungary 2 2 2 2 2
Iceland 5 7 7 7 7
India 6 6 6 6 7
Indonesia 10 10 10 10 10
Iran, Islamic Rep. 5 5 7 7 7
Iraq 4 4 4 4 4
Ireland 10 10 10 10 10
Isle of Man
Israel 7 7 7 7 7
Italy 7 7 7 7 7
Jamaica 4 4 4 4 4
Japan 7 7 7 7 7
Jordan 4 4 4 4 4
Kazakhstan 6 7 7 7 7
Kenya 3 3 3 3 3
Kiribati 6 6 6 6 6
Korea, Dem. Rep.
Korea, Rep. 7 7 7 7 7
Kosovo 3 3 6 6 6
Kuwait 4 4 4 4 4
Kyrgyz Republic 7 7 7 7 7
Lao PDR 2 2 2 2 6
Latvia 5 5 5 5 5
Lebanon 9 9 9 9 9
Lesotho 2 2 3 3 3
Liberia 4 4 4 4 4
Libya 1 1 1
Liechtenstein
Lithuania 5 7 7 7 7
Luxembourg 6 6 6 6 6
Macao SAR, China
Macedonia, FYR 7 7 7 7 8
Madagascar 6 6 6 6 6
Malawi 4 4 4 4 4
Malaysia 10 10 10 10 10
Maldives 0 0 0 0 0
Mali 6 6 6 6 7
Malta 3 3 3 3
Marshall Islands 2 2 2 2 2
Mauritania 6 6 6 6 6
Mauritius 6 6 6 6 6
Mexico 8 8 8 8 8
Micronesia, Fed. Sts. 0 0 0 0 0
Moldova 7 7 7 7 7
Monaco
Mongolia 4 4 5 5 6
Montenegro 5 5 5 5 5
Morocco 6 6 6 6 6
Mozambique 5 5 5 5 5
Myanmar 3 3 3
Namibia 5 5 5 5 5
Nepal 6 6 6 6 6
Netherlands 3 3 4 4 4
New Caledonia
New Zealand 10 10 10 10 10
Nicaragua 1 1 1 1 1
Niger 6 6 6 6 7
Nigeria 4 4 4 4 4
Northern Mariana Islands
Norway 7 7 7 7 7
Oman 8 8 8 8 8
Pakistan 6 6 6 6 6
Palau 0 0 0 0 0
Panama 3 3 3 4 4
Papua New Guinea 4 4 4 4 4
Paraguay 6 6 6 6 6
Peru 8 8 9 9 9
Philippines 2 2 2 2 2
Poland 7 7 7 7 7
Portugal 6 6 6 6 6
Puerto Rico 7 7 7 7 7
Qatar 5 5 5 5 5
Romania 9 9 9 9 9
Russian Federation 6 6 6 6 6
Rwanda 7 7 7 7 7
Samoa 5 5 5 5 5
San Marino 3 3 3
Sao Tome and Principe 3 3 3 3 3
Saudi Arabia 8 8 8 8 8
Senegal 6 6 6 6 7
Serbia 7 7 7 7 7
Seychelles 4 4 4 4 4
Sierra Leone 6 6 6 6 6
Singapore 10 10 10 10 10
Sint Maarten (Dutch part)
Slovak Republic 3 3 3 3 3
Slovenia 3 3 5 5 5
Solomon Islands 3 3 3 3 3
Somalia
South Africa 8 8 8 8 8
South Sudan 2 2 2
Spain 5 5 5 5 5
Sri Lanka 4 6 6 6 6
St. Kitts and Nevis 4 4 4 4 4
St. Lucia 4 4 4 4 4
St. Martin (French part)
St. Vincent and the Grenadines 4 4 4 4 4
Sudan 0 0 0 0 0
Suriname 1 1 1 1 1
Swaziland 2 2 2 2 2
Sweden 8 8 8 8 8
Switzerland 0 0 0 0 0
Syrian Arab Republic 7 7 7 7 7
Tajikistan 8 8 8 8 8
Tanzania 2 2 2 2 2
Thailand 10 10 10 10 10
Timor-Leste 5 5 5 5 5
Togo 6 6 6 6 7
Tonga 3 3 3 3 3
Trinidad and Tobago 4 4 4 4 4
Tunisia 5 5 5 5 5
Turkey 9 9 9 9 9
Turkmenistan
Turks and Caicos Islands
Tuvalu
Uganda 3 3 3 3 3
Ukraine 4 4 4 4 4
United Arab Emirates 4 4 4 6 10
United Kingdom 10 10 10 10 10
United States 7 7 7 7 7
Uruguay 3 3 3 3 3
Uzbekistan 4 4 4 4 7
Vanuatu 5 5 5 5 5
Venezuela, RB 3 3 3 3 3
Vietnam 6 6 6 7 7
Virgin Islands (U.S.)
West Bank and Gaza 6 6 6 6 6
Yemen, Rep. 6 6 6 6 6
Zambia 4 4 4 4 4
Zimbabwe 8 8 8 8 8

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